Macrophage Activation Syndrome Clinical Trial
— MAS-DOfficial title:
Comparison of Predictive Ability of New Candidate Criteria for Diagnosis of Macrophage Activation Syndrome
Macrophage activation syndrome(MAS) is a complication of bone marrow suppression,
coagulopathy and CNS dysfunction which occurs in rheumatic diseases. Normally the
(Hemophagocytic Lympho-Histiocytosis) HLH-2004 criteria is used to diagnose patients with
MAS. However this criteria is probably not sensitive and would probably be fulfilled quite
late into the disease. Thus there would be an unacceptable delay. Ravelli et al came up with
a different set of criteria based on data of patients reported in literature.
Systemic onset juvenile idiopathic arthritis (SoJIA) is the most common cause of MAS. MAS in
other rheumatic illnesses occurs in the setting on unbridled inflammation. In both SoJIA and
uncontrolled rheumatic disease the patient is liable to have high WBC counts and high
platelet counts. Bone marrow suppression which is one of the pathognomic features of MAS
would be picked up very late if absolute cut off values were utilized. Kelly et al used the
same arguments in their review to suggest that in MAS/Reactive hemophagocytic
lymphohistiocytosis(ReHLH), the trend of change in laboratory parameters would be more
useful than absolute cut offs. Hence the investigators propose new candidate criteria which
are based on trends of laboratory parameters and seek to determine their utility in
comparison to absolute cut offs of HLH or Ravelli criteria. The investigators also wanted to
determine that among the Ravelli criteria and HLH-2004 criteria, which were fulfilled
earlier in patients diagnosed as having MAS.
Study hypothesis:-Criteria which measure serial trend of laboratory parameters would be
fulfilled earlier than absolute cut offs when diagnosing MAS in patients with rheumatic
illness.
Status | Enrolling by invitation |
Enrollment | 50 |
Est. completion date | January 2012 |
Est. primary completion date | January 2012 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | N/A and older |
Eligibility |
Inclusion Criteria: - All the patients diagnosed as having Macrophage Activation Syndrome at death or discharge from 1st Jan 2004 to 1st Jan 2012, in all the centers enrolled as collaborators of the study would be included in the study Exclusion Criteria: - Subjects with a final diagnosis of (Infection associated hemophagocytic syndrome) IAHS - Subjects with a genetic diagnosis of HLH - Subjects with a family history (1st degree relative) of a genetic diagnosis of HLH. |
Observational Model: Case-Only, Time Perspective: Retrospective
Country | Name | City | State |
---|---|---|---|
India | Amrita Institute of Medical Sciences | Cochin | Kerala |
Lead Sponsor | Collaborator |
---|---|
Amrita Institute of Medical Sciences & Research Center |
India,
Henter JI, Horne A, Aricó M, Egeler RM, Filipovich AH, Imashuku S, Ladisch S, McClain K, Webb D, Winiarski J, Janka G. HLH-2004: Diagnostic and therapeutic guidelines for hemophagocytic lymphohistiocytosis. Pediatr Blood Cancer. 2007 Feb;48(2):124-31. — View Citation
Kelly A, Ramanan AV. Recognition and management of macrophage activation syndrome in juvenile arthritis. Curr Opin Rheumatol. 2007 Sep;19(5):477-81. Review. — View Citation
Ravelli A, Magni-Manzoni S, Pistorio A, Besana C, Foti T, Ruperto N, Viola S, Martini A. Preliminary diagnostic guidelines for macrophage activation syndrome complicating systemic juvenile idiopathic arthritis. J Pediatr. 2005 May;146(5):598-604. Review. — View Citation
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